Structural formulas based on the repetitive motifs of salivary proline rich proteins mucin and collagen designed to modulate cell and tissue growth division and differentiation

ABSTRACT

Computational analysis was used to derive structural peptide formulas SALIVAR, SALIVAL, SALIVAN caracterising common repetitive fragments that reconstruct a large number of salivary proline rich proteins. Short repetitive sequences and variants of the mucin (MUKOSEPT) and collagen (PROCOL α) have been also derived. The purpose of the derived sequences is the modulation of cell and tissue growth, division and differentiation.

1) TECHNICAL AREA OF THE INVENTION

[0001] The invention represents five structural chemical formulas of the repetitive sequences (motifs) of the salivary proline rich proteins, mucin and collagen. Peptide sequences are designed for the modulation of cell and tissue growth, division and differentiation.

2) TECHNICAL PROBLEM

[0002] Bioactive parts of the protein and gene sequences are often 5 to 15 amino acid long and repetitive peptides, separated by the larger amino acid blocks of undefined function (1-5). Computational analyses may be used for the extraction of such motifs and subsequent manipulation with the bioactive effects their protein regions (1-5). The invention represents five structural formulas for the repetitive sequences (motifs) of the salivary proline rich proteins, mucin and collagen.

3) TECHNICAL DESCRIPTION

[0003] Repetitive peptide motifs within a single protein or a protein family represent, together with their matching complementary sequences, regions that are linked to the bioactivity of the larger molecular structures (1-5).

[0004] Modern programming techniques, developement of the softwares and large databases of the protein and gene structures, enabled the computer modelling of repetitive, bioactive and complementary structures of the large number of different proteins (1-5). Consequently, the extraction of short and repetitive motifs may be done on a personal computer quickly and easily (1-5). We analysed repetitive peptides of the salivary proline rich proteins, mucin and collagen (6-9) by means of the software SCAN (3-5) in order to, define five structural peptide formulas (SALIVAR, SALIVAL, SALIVAN, MUCOSEPT and PROCOL α) to modulate cell and tissue growth, division and differentiation.

4) PURPOSE OF THE INVENTION

[0005] The invention consists of five peptide structural formulas from the repetitive parts of the salivary proline rich proteins, mucin and type I collagen. The aim of the invention, i.e. structural formulas, is to provide short peptide sequences that modulate cell and tissue growth, division and differentiation.

[0006] Technical invention is in the fact that the sequences that model large and/or bioactive parts of the molecules of the salivary proline rich proteins, mucin and type I collagen are extracted by means of the software SCAN, instead of the random pharmacological screening. Based on the computational analyses and database search general structural formulas (motifs) have been derived as the consensus sequences salivary proline rich proteins, mucin and collagen.

5) FIGURES AND TABLES

[0007] Table 1 defines repetitive peptide sequence (motif) SALIVAR.

[0008] Table 2 defines general repetitive peptide sequence (motif) SALIVAR.

[0009] Table 3 defines repetitive peptide sequence (motif) SALIVAL.

[0010] Table 4 defines general repetitive peptide sequence (motif) SALIVAL.

[0011] Table 5 defines specific peptide sequences (motifs) SALIVAL.

[0012] Table 6 defines repetitive peptide sequence (motif) SALIVAN.

[0013] Table 7 defines repetitive peptide sequence (motif) MUCOSEPT.

[0014] Table 8 defines repetitive peptide sequence (motif) PROCOL α.

[0015] Table 9 defines general and specific peptide sequences (motifs) PROCOL α.

[0016]FIG. 1 describes the partition of the amino acids according to the molecular polarity, in the sequences of the Tables 4, 5, 8 and 9.

6) DESCRIPTION OF THE POSSIBLE APPLICATIONS OF THE INVENTION

[0017] Repetitive sequences SALIVAR, SALIVAL, SALIVAN, MUCOSEPT and PROCOL α, defined in Tables 1-9 will be used as bioactive peptides for the modulation of cell and tissue growth, division and differentiation. The purpose of defining repetitive segments SALIVAR, SALIVAL and SALIVAN of the bioactive salivary proline rich proteins (8) is to obtain quickly and accurately the formula (sequence motif) that in the satisfactory way mimicks the function of larger structures. Additional bioactivity of the motifs is to be obtained by combining the sequences SALIVAR, SALIVAL and SALIVAN with the repetitive sequences of their mucin or collagen matrix (MUCOSEPT, PROCOL α).

7) Industrial Applications of the Invention

[0018] Bioactive sequences of the formulas (motifs) SALIVAR, SALIVAL, SALIVAN, MUCOSEPT and PROCOL α, and their combination will be applied perorally, intramuscularly and intravenously. Topical applications include ointmnents, creams, gels, suppositories, vaginal suppositories, eye-drops and ear-drops.

References

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[0023] 5. N. {haeck over (S)}tambuk. N. Gotovac, M. Martinis et al. Simple Three-step Method for the Analysis and Design of Repetitive and Bioactive protein Motifs, in: V. B. Bajić (Ed.), Advances in Systems Signals Control and Computers vol. II, IAAMSAD, and ANS, Durban, 1998,pp. 310-311.

[0024] 6. A. Gougos, and M. Letarte, J Biol. Chem. 265 (1990) 8361-8364.

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[0029] 11. MathSoft. S-PLUS 2000 Guide to Statistics, Volume 2, Data Analysis Products Division, MathSoft, Seattle, 1999, Chapter 4. TABLE 1 Octapeptide GKPQGPPP derived by means of the SCAN software (3-5) represents the common building block of a large number of salivary proline rich proteins is patented under the name SALIVAR. Database: nr Category: Eukaryota Sequence: GKPQGPPP gi|88462|pir||A27307 PROLINE-RICH PHOSPHOPROTEIN (GENE PRH1, DB ALLELE) - HUMAN    Matching:PPPPPGKPQGPPPQGGRP (Residues 149-156) gi|88466|pir||B25372 SALIVARY PROLINE-RICH PHOS- PHOPROTEIN PRECURSOR PRH1 (ALLELE PIF) - HUMAN    Matching:PPPPPGKPQGPPPQGGRP (Residues 144-151) gi|105417|pir||D38355 BASIC PROLINE-RICH PEPTIDE IB-8A - HUMAN (FRAGMENTS)    Matching:SPPGKPQGPPPQGGNQ (Residues 4-11)    PPPPPGKPQGPPPQGGNK (Residues 25-32)    GPPPPGKPQGPPPQGDNK (Residues 45-52)    PPPQGGKPQGPPPQGGNK (Residues 71-78) gi|105420|pir||C38355 BASIC PROLINE-RICH PEPTIDE II-2 - HUMAN    Matching:PPPPPGKPQGPPPQGGNK (Residues 40-47)    GPPPPGKPQGPPPQGDKS (Residues 60-67) gi|107422|pir||B36298 PROLINE-RICH PROTEIN PRB3S (CYS) - HUMAN (FRAGMENT)    Matching:PPPHPGKPQGPPPQEGNK (Residues 147-154)    LPPPAGKPQGPPPPPQGG (Residues 188-195) gi|4826938|ref|NP_005030.1| PROLINE-RICH PROTEIN BSTNI SUBFAMILY 1    Matching:PPPPPGKPQGPPPQGGNK (Residues 55-62)    GPPPPGKPQGPPPQGDKS (Residues 75-82)    PRSPPGKPQGPPPQGGNQ (Residues 95-102)    PPPPPGKPQGPPPQGGNK (Residues 116-123)    GPPPPGKPQGPPPQGDKS (Residues 136-143)    PRSPPGKPQGPPPQGGNQ (Residues 156-163)    GPPPPGKPQGPPPQGDKS (Residues 197-204)    PQSPPGKPQGPPPQGGNQ (Residues 217-224)    PPPPPGKPQGPPPQGGNK (Residues 238-245) gi|130998|sp|P02812|PRP2_HUMAN SALIVARY PROLINE- RICH PROTEIN PRECURSOR (CLONE CP7) [CONTAINS: BASIC PEPTIDE P-F]    Matching:SRSPPGKPQGPPPQGGNQ (Residues 13-20)    PPPPPGKPQGPPPQGGNK (Residues 34-41)    GPPPPGKPQGPPPQGDNK (Residues 54-61)    ARSPPGKPQGPPPQGGNQ (Residues 75-82)    PPPPPGKPQGPPPQGDNK (Residues 96-103)    GPPPPGKPQGPPPQGGSK (Residues 116-123)    SRSPPGKPQGPPPQGGNQ (Residues 137-144)    PPPPPGKPQGPPPQGGNK (Residues 158-165)    GPPPPGKPQGPPPQGGSK (Residues 178-185) gi|4506037|ref|NP_002714.1| PROLINE-RICH PROTEIN BSTNI SUBFAMILY 4    Matching:PPPPPGKPQGPPPQGGNQ (Residues 55-62)    GPPPPGKPQGPPPAGGNP (Residues 201-208)    QDPPAGKPQGPPPPPQGG (Residues 222-229) gi|131006|sp|P04281|PRP5_HUMAN BASIC PROLINE-RICH PEPTIDE IB-1    Matching:PPSPPGKPQGPPPQGGNQ (Residues 39-46)    PPPPPGKPQGPPPQGGNK (Residues 60-67)    GPPPPGKPQGPPPQGDKS (Residues 80-87) gi|131008|sp|P02810|PRPC_HUMAN SALIVARY ACIDIC PROLINE-RICH PHOSPHOPROTEIN 1/2 PRECURSOR (PRP-1/ PRP-3) (PRP-2/PRP-4) (PIF-F/PIF-S) (PROTEIN A/ PROTEIN C) [CONTAINS: PEPTIDE P-C]    Matching:PPPPPGKPQGPPPQGGRP (Residues 144-151) gi|131009|sp|P02811|PRPE_HUMAN BASIC PROLINE- RICH PEPTIDE P-E (IB-9)    Matching:SPPGKPQGPPPQGGNQ (Residues 4-11)    PPPPPGKPQGPPPQGGNR (Residues 25-32)    GPPPPGKPQGPPPQGDKS (Residues 45-52) gi|131011|sp|P10162|PRPL_HUMAN SALIVARY PROLINE- RICH PROTEIN PO (ALLELE K) [CONTAINS: PEPTIDE P-D]    Matching:PPPPPGKPQGPPPQGGNQ (Residues 21-28)    GPPPPGKPQGPPPPGGNP (Residues 230-237)    QAPPAGKPQGPPPPPQGG (Residues 251-258) gi|190474|gb|AAA36502.1| (K02576) SALIVARY PROLINE-RICH PROTEIN 1 [HOMO SAPIENS]    Matching:PPPPPGKPQGPPPQGGNK (Residues 38-45)    GPPPPGKPQGPPPQGGKR (Residues 58-65)    PRSPPGKPQGPPPQGGNQ (Residues 79-86)    PPPPPGKPQGPPPQGGNK (Residues 100-107)    GPPPPGKPQGPPPQGDKS (Residues 120-127) gi|4826944|ref|NP_005033.1| PROLINE-RICH PROTEIN HAEIII SUBFAMILY 2    Matching:PPPPPGKPQGPPPQGGRP (Residues 144-151) gi|190504|gb|AAA60186.1| (K03205) SALIVARY PROLINE- RICH PROTEIN PRECURSOR [HOMO SAPIENS]    Matching:PPPPPGKPQGPPPQGGNK (Residues 55-62)    GPPPPGKPQGPPPQGDKS (Residues 75-82)    PRSPPGKPQGPPPQGGKP (Residues 95-102)    PPPQGGKPQGPPPQGGNK (Residues 105-112) gi|190506|gb|AAA60187.1| (K03206) SALIVARY PROLINE- RICH PROTEIN PRECURSOR [HOMO SAPIENS]    Matching:PPPPPGKPQGPPPQGGNK (Residues 55-62)    GPPPPGKPQGPPPQGDKS (Residues 75-82)    PRSPPGKPQGPPPQGGKP (Residues 95-102) gi|7427521|ref|NP_006240.2| PROLINE-RICH PROTEIN BSTNI SUBFAMILY 3    Matching:PPPHPGKPQGPPPQEGNK (Residues 244-251)    LPPPAGKPQGPPPPPQGG (Residues 285-292) gi|296670|emb|CAA30729.1| (X07882) PO PROTEIN [HOMO SAPIENS]    Matching:LFLISGKPQGPPPQGGNQ (Residues 34-41)    GPPPPGKPQGPPPAGGNP (Residues 180-187)    QAPPAGKPQGPPPPPQGG (Residues 201-208) gi|350322|prf||0605215A PEPTIDE PC,SALIVARY PRO RICH [HOMO SAPIENS]    Matching:PPPPPGKPQGPPPQGGRP (Residues 22-29) gi|351207|prf||0903209A PEPTIDE PD,BASIC PRO RICH [HOMO SAPIENS]    Matching:GPPPPGKPQGPPPPGGNP (Residues 24-31)    QAPPAGKPQGPPPPPQGQ (Residues 45-52) gi|351237|prf||0904270A PEPTIDE PF,BASID PRO RICH [HOMO SAPIENS]    Matching:SPPGKPQGPPPQGGNQ (Residues 4-11)    PPPPPGKPQGPPPQGGNK (Residues 25-32)    GPPPPGKPQGPPPQGGSK (Residues 45-52) gi|386431|gb|AAB27288.1| (S62928) PRB1M PRECURSOR PROTEIN = BASIC PROLINE-RICH PROTEINS (PS, PMF, PMS, AND PE) PRECURSOR(PS 1 = BASIC PROLINE-RICH PROTEIN) {C-TERMINAL} [HUMAN, SALIVARY, PEPTIDE PARTIAL, 297 AA] [HOMO SAPIENS]    Matching:PPPPPGKPQGPPPQGGNK (Residues 21-28)    GPPPPGKPQGPPPQGDKS (Residues 41-48)    PRSPPGKPQGPPPQGGNQ (Residues 61-68)    PPPPPGKPQGPPPQGGNK (Residues 82-89)    GPPPPGKPQGPPPQGDKS (Residues 102-109)    PRSPPGKPQGPPPQGGNQ (Residues 122-129)    GPPPPGKPQGPPPQGDKS (Residues 163-170)    PQSPPGKPQGPPPQGGNQ (Residues 183-190)    PPPPPGKPQGPPPQGGNK (Residues 204-211) gi|386433|gb|AAB27289.1| (S62941) PS 2 = BASIC PROLINE-RICH PROTEIN(PRB1L PRECURSOR PROTEIN = BASIC PROLINE-RICH PROTEINS (PS, PMF, PMS, AND PE) PRECURSOR) {C-TERMINAL} [HUMAN, SALIVARY, PEPTIDE PARTIAL, 358 AA] [HOMO SAPIENS]    Matching:PPPPPGKPQGPPPQGGNK (Residues 21-28)    GPPPPGKPQGPPPQGDKS (Residues 41-48)    PRSPPGKPQGPPPQGGNQ (Residues 61-68)    PPPPPGKPQGPPPQGGNK (Residues 82-89)    GPPPPGKPQGPPPQGDKS (Residues 102-109)    PRSPPGKPQGPPPQGGNQ (Residues 122-129)    PPPPPGKPQGPPPQGGNK (Residues 143-150)    GPPPPGKPQGPPPQGDKS (Residues 163-170)    PRSPPGKPQGPPPQGGNQ (Residues 183-190)    GPPPPGKPQGPPPQGDKS (Residues 224-231)    PQSPPGKPQGPPPQGGNQ (Residues 244-251)    PPPPPGKPQGPPPQGGNK (Residues 265-272)    GPPPPGKPQGPPPQGGSK (Residues 285-292) gi|3914451|sp|P81489|PRPP_HUMAN SALIVARY PROLINE- RICH PROTEIN II-1    Matching:PPPPPGKPQGPPPQGGDQ (Residues 38-45) gi|433011|gb|AAB27290.1| (S62929) PRB1L PRECURSOR PROTEIN = BASIC PROLINE RICH PROTEINS (PS, PMF, PMS, AND PE) PRECURSOR {C-TERMINAL} [HUMAN, SALIVARY, PEPTIDE PARTIALMUTANT, 358 AA] [HOMO SAPIENS]    Matching:PPPPPGKPQGPPPQGGNK (Residues 21-28)    GPPPPGKPQGPPPQGDKS (Residues 41-48)    PRSPPGKPQGPPPQGGNQ (Residues 61-68)    PPPPPGKPQGPPPQGGNR (Residues 82-89)    GPPPPGKPQGPPPQGDKS (Residues 102-109)    PXSPPGKPQGPPPQGGNQ (Residues 122-129)    PPPPPGKPQGPPPQGGKK (Residues 143-150)    GPPPPGKPQGPPPQGDKS (Residues 163-170)    PRSPPGKPQGPPPQGGNQ (Residues 183-190)    GPPPPOKPQGPPPQGDKS (Residues 224-231)    SQSPPGKPQGPPPQGGNQ (Residues 244-251)    PPPPPGKPQGPPPQGGNK (Residues 265-272) gi|433012|gb|AAB27291.1| (S62936) PRB1S PRECURSOR PROTEIN = BASIC PROLINE-RICH PROTEINS (PS, PMF, PMS, AND PE) PRECURSOR {C-TERMINAL} [HUMAN, SALIVARY, PEPTIDE PARTIALMUTANT, 236 AA] [HOMO SAPIENS]    Matching:PPPPPGKPQGPPPQGGNK (Residues 21-28)    GPPPPGKPQGPPPQGDKS (Residues 41-48)    PRSPPGKPQGPPPQGGNQ (Residues 61-68)    PPSPPGKPQGPPPQGGNR (Residues 82-89)    GPPPPGKPQGPPPQGDKS (Residues 102-109)    PXSPPGKPQGPPPQGGNQ (Residues 122-129)    PPPPPGKPQGPPPQGGNK (Residues 143-150) gi|539667|pir||D40750 PROLINE-RICH PROTEIN PRB1/2S (EA) - HUMAN (FRAGMENT)    Matching:PPPPPGKPQGPPPQGGNK (Residues 21-28)    GPPPPGKPQGPPPQGDKS (Residues 41-48)    PRSPPGKPQGPPPQGGNQ (Residues 61-68)    PPSPPGKPQGPPPQGGNR (Residues 82-89)    GPPPPGKPQGPPPQGDKS (Residues 102-109) gi|1709793|sp|P10161|PRPM_HUMAN SALIVARY PROLINE- RICH PROTEIN PO (ALLELE M) [CONTAINS: PEPTIDE P-D]    Matching:PPPPPGKPQGPPPQGGNQ (Residues 21-28)    GPPPPGKPQGPPPPGGNP (Residues 188-195)    QAPPAGKPQGPPPPPQGG (Residues 209-216) gi|1911490|gb|AAB50686.1| (S80905) CON1 = SALIVARY CONCANAVALIN-A B1NDING PROTEIN {EXON 3} [HUMAN, PERIPHERAL BLOOD LEUKOCYTES, SUBJECT “R.S.”, PEP- TIDE PARTIAL MUTANT, 382 AA] [HOMO SAPIENS]    Matching:PPSPPGKPQGPPPQGGNQ (Residues 21-28)    PPPPPGKPQGPPPQGGNK (Residues 42-49)    GPPPPGKPQGPPPQGDKS (Residues 62-69)    PRSPPGKPQGPPPQGGNQ (Residues 82-89)    PPPPPGKPQGPPPQGGNK (Residues 103-110)    GPPPPGKPQGPPPQGDNK (Residues 123-130)    SRSPPGKPQGPPPQGGNQ (Residues 144-151)    PPPPPGKPQGPPPQGGNK (Residues 165-172)    GPPPPGKPQGPPPQGDNK (Residues 185-192)    ARSPPGKPQGPPPQGGNQ (Residues 206-213)    PPPPPGKPQGPPPQGGNK (Residues 227-234)    GPPPPGKPQGPPPQGGSK (Residues 247-254)    SRSPPGKPQGPPPQGGNQ (Residues 268-275)    PPPPPGKPQGPPPQGGNK (Residues 289-296)    GPPPPGKPQGPPPQGGSK (Residues 309-316) gi|1911492|gb|AAB50687.1| (S80916) PAROTID “O” PROTEIN, PO = SALIVARY PROLINE-RICH PROTEIN {EXON 3} [HUMAN, PERIPHERAL BLOOD LEUKOCYTES, SUBJECT “J.J.”, PEPTIDE PARTIAL MUTANT, 234 AA] [HOMO SAPIENS]    Matching:PPPPPGKPQGPPPQGGNQ (Residues 21-28)    GPPPPGKPQGPPPPGGNP (Residues 188-195)    QAPPAGKPQGPPPPPQGG (Residues 209-216) gi|2144910|pir||PIHUB6 SALIVARY PROLINE-RICH PRO- TEIN PRECURSOR PRB1 (LARGE ALLELE) - HUMAN    Matching:PPPPPGKPQGPPPQGGNK (Residues 55-62)    GPPPPGKPQGPPPQGDKS (Residues 75-82)    PRSPPGKPQGPPPQGGNQ (Residues 95-102)    PPPPPGKPQGPPPQGGNK (Residues 116-123)    GPPPPGKPQGPPPQGDKS (Residues 136-143)    PRSPPGKPQGPPPQGGNQ (Residues 156-163)    PPPPPGKPQGPPPQGGNK (Residues 177-184)    GPPPPGKPQGPPPQGDKS (Residues 197-204)    PRSPPGKPQGPPPQGGNQ (Residues 217-224)    GPPPPGKPQGPPPQGDKS (Residues 258-265)    PQSPPGKPQGPPPQGGNQ (Residues 278-285)    PPPPPGKPQGPPPQGGNK (Residues 299-306) gi|2144912|pir||PIHUSD SALIVARY PROLINE-RICH GLYCOPROTEIN PRECURSOR PRB4 (LARGE ALLELE) - HUMAN    Matching:PPPPPGKPQGPPPQGGNQ (Residues 55-62)    GPPPPGKPQGPPPPGGNP (Residues 264-271)    QAPPAGKPQGPPPPPQGG (Residues 285-292) gi|91204|pir||A29149 PROLINE-RICH PROTEIN - MOUSE    Matching:KPPQPGKPQGPPPPGGPQ (Residues 66-73)    KPPQSGKPQGPPPPGGPQ (Residues 104-111) gi|131003|sp|P04474|PRP3_RAT ACIDIC PROLINE-RICH PROTEIN PRP33 PRECURSOR    Matching:RPPQPGKPQGPPPQGGPQ (Residues 148-155) gi|131000|sp|P10164|PRP2_RAT ACIDIC PROLINE-RICH PROTEIN PRP25 PRECURSOR    Matching:KPPQPGKPQGPPPPGGPQ (Residues 85-92)    KPPQPGKPQGPPPPGGPQ (Residues 104-111)    KPPQAGKPQGPPPPGGPQ (Residues 142-149) gi|6981414|ref|NP_036764.1| PROLINE-RICH PROTEIN, SALIVARY    Matching:KPPQPGKPQGPPPPGGPQ (Residues 64-71)    KPPQPGKPQGPPPPGGPQ (Residues 83-90)    KPPQSGKPQGPPPPGGPQ (Residues 121-128) gi|112206|pir||A39066 PROLINE-RICH PROTEIN 4 - RAT    Matching:KPPQPGKPQGPPPPGGPQ (Residues 104-111)    KPPQPGKPQGPPPPGGPQ (Residues 142-149)    KPPQPGKPQGPPPPGGPQ (Residues 161-168) gi|206716|gb|AAA42066.1| (M64791) SALIVARY PROLINE-RICH PROTEIN [RATTUS NORVEGICUS]    Matching:KPPQPGKPQGPPPPGGPQ (Residues 159-166) gi|1083763|pir||A48013 PROLINE-RICH PROTEOGLYCAN 1 PRECURSOR, PAROTID - RAT    Matching:TSPQPGKPQGPPPQGGPQ (Residues 111-118) gi|2119707|pir||A42817 PROLINE-RICH PROTEIN PRECURSOR - RAT    Matching:KPPQPGKPQGPPPPGGPQ (Residues 85-92)    KPPQPGKPQGPPPPGGPQ (Residues 104-111)    KPPQPGKPQGPPPPGGPQ (Residues 123-130)    KPPQPGKPQGPPPPGGPQ (Residues 142-149)    KPPQPGKPQGPPPPGGPQ (Residues 180-187)

[0030] TABLE 2 General formula GKPαβPPP of the repetitive octapeptide motif SALIVAR computationally defined in a large number of salivary proline rich proteins by means of the SCAN software (3-5) on a proteins available in the nr Database of human protein sequences. All combinations presented in the table are patented. α β Q E G +++ ++ R 0 ++ E 0 1

[0031] TABLE 3 Sequence (formula) of the repetitive octapeptide motif GPPPPGKP of the salivary proteins is defined by shifting the end of the formula GKPQβPPP in the sliding block window of the protein for 5 amino acid residues left until the next residue Q, so that the structural formula GPPPPGKP remains de- fined by means of the left and right residue Q, e.g. QGPPPPGKPQ. This procedure has been tested on a large set of salivary proteins in the nr Data- base of human protein sequences, by means of the software SCAN (3-5). The sequence is patented under the name SALIVAL. Database: nr Category: Eukaryota Sequence: GPPPPGKP gi|105417|pir||D38355 BASIC PROLINE-RICH PEPTIDE IB-8A - HUMAN (FRAGMENTS)    Matching:GNKPQGPPPPGKPQGPPP (Residues 40-47) gi|105420|pir||C38355 BASIC PROLINE-RICH PEPTIDE II-2- HUMAN    Matching:GNKPQGPPPPGKPQGPPP (Residues 55-62) gi|4826938|ref|NP_005030.1| PROLINE-RICH PROTEIN BSTNI SUBFAMILY 1    Matching:GNKPQGPPPPGKPQGPPP (Residues 70-77)    GNKPQGPPPPGKPQGPPP (Residues 131-138)    GNRPQGPPPPGKPQGPPP (Residues 192-199)    GNKPQGPPPPGKPQGPPA (Residues 253-260) gi|130998|sp|P02812|PRP2_HUMAN SALIVARY PROLINE- RICH PROTEIN PRECURSOR (CLONE CP7) [CONTAINS: BASIC PEPTIDE P-F]    Matching:GNKPQGPPPPGKPQGPPP (Residues 49-56)    DNKSQGPPPPGKPQGPPP (Residues 111-118)    GNKPQGPPPPGKPQGPPP (Residues 173-180) gi|4506037|ref|NP_002714.1| PROLINE-RICH PROTEIN BSTNI SUBFAMILY 4    Matching:GNKPQGPPPPGKPQGPPP (Residues 196-203) gi|131006|sp|P04281|PRP5_HUMAN BASIC PROLINE-RICH PEPTIDE IB-1    Matching:GNKPQGPPPPGKPQGPPP (Residues 75-82) gi|131009|sp|P02811|PRPE_HUMAN BASIC PROLINE-RICH PEPTIDE P-E (IB-9)    Matching:GNRPQGPPPPGKPQGPPP (Residues 40-47) gi|131011|sp|P10162|PRPL_HUMAN SALIVARY PROLINE- RICH PROTEIN PO (ALLELE K) [CONTAINS: PEPTIDE P-D]    Matching:GNKPQGPPPPGKPQGPPP (Residues 225-232) gi|190474|gb|AAA36502.1| (K02576) SALIVARY PROLINE-RICH PROTEIN 1 [HOMO SAPIENS]    Matching:GNKPQGPPPPGKPQGPPP (Residues 53-60)    GNKPQGPPPPGKPQGPPP (Residues 115-122) gi|190475|gb|AAA36503.1| (K02576) SALIVARY PROLINE-RICH PROTEIN 1 [HOMO SAPIENS]    Matching:GNKPQGPPPPGKPQGPPA (Residues 15-22) gi|190504|gb|AAA60186.1| (K03205) SALIVARY PROLINE-RICH PROTEIN PRECURSOR [HOMO SAPIENS]    Matching:GNKPQGPPPPGKPQGPPP (Residues 70-77)    GNKPQGPPPPGKPQGPPA (Residues 120-127) gi|190506|gb|AAA60187.1| (K03206) SALIVARY PROLINE-RICH PROTEIN PRECURSOR [HOMO SAPIENS]    Matching:GNKPQGPPPPGKPQGPPP (Residues 70-77) gi|296670|emb|CAA30729.1| (X07882) PO PROTEIN [HOMO SAPIENS]    Matching:GNKPQGPPPPGKPQGPPP (Residues 175-182) gi|351207|prf||0903209A PEPTIDE PD,BASIC PRO RICH [HOMO SAPIENS]    Matching:GNKPQGPPPPGKPQGPPP (Residues 19-26) gi|351237|prf||0904270A PEPTIDE PF,BASID PRO RICH [HOMO SAPIENS]    Matching:GNKPQGPPPPGKPQGPPP (Residues 40-47) gi|386431|gb|AAB27288.1| (S62928) PRB1M PRECURSOR PROTEIN = BASIC PROLINE-RICH PROTEINS (PS, PMF, PMS, AND PE) PRECURSOR(PS 1 = BASIC PROLINE-RICH PROTEIN) {C-TERMINAL} [HUMAN, SALIVARY, PEPTIDE PARTIAL, 297 AA] [HOMO SAPIENS]    Matching:GNKPQGPPPPGKPQGPPP (Residues 36-43)    GNKPQGPPPPGKPQGPPP (Residues 97-104)    GNRPQGPPPPGKPQGPPP (Residues 158-165)    GNKPQGPPPPGKPQGPPA (Residues 219-226) gi|386433|gb|AAB27289.1| (S62941) PS 2 = BASIC PROLINE-RICH PROTEIN(PRB1L PRECURSOR PROTEIN = BASIC PROLINE-RICH PROTEINS (PS, PMF, PMS, AND PE) PRECURSOR) {C-TERMINAL} [HUMAN, SALIVARY, PEPTIDE PARTIAL, 358 AA] [HOMO SAPIENS]    Matching:GNKPQGPPPPGKPQGPPP (Residues 36-43)    GNKPQGPPPPGKPQGPPP (Residues 97-104)    GNKPQGPPPPGKPQGPPP (Residues 158-165)    GNRPQGPPPPGKPQGPPP (Residues 219-226)    GNKPQGPPPPGKPQGPPP (Residues 280-287) gi|433011|gb|AAB27290.1| (S62929) PRB1L PRECURSOR PROTEN = BASIC PROLINE RICH PROTEINS (PS, PMF, PMS, AND PE) PRECURSOR {C-TERMINAL} [HUMAN, SALIVARY, PEPTIDE PARTIALMUTANT, 358 AA] [HOMO SAPIENS]    Matching:GNKPQGPPPPGKPQGPPP (Residues 36-43)    GNRPQGPPPPGKPQGPPP (Residues 97-104)    GKKPQGPPPPGKPQGPPP (Residues 158-165)    GNRPQGPPPPGKPQGPPP (Residues 219-226)    GNKPQGPPPPGKPQGPPA (Residues 280-287) gi|433012|gb|AAB27291.1| (S62936) PRB1S PRECURSOR PROTEIN = BASIC PROLINE-RICH PROTEINS (PS, PMF, PMS, AND PE) PRECURSOR {C-TERMINAL} [HUMAN, SALIVARY, PEPTIDE PARTIALMUTANT, 236 AA] [HOMO SAPIENS]    Matching:GNKPQGPPPPGKPQGPPP (Residues 36-43)    GNRPQGPPPPGKPQGPPP (Residues 97-104)    GNKPQGPPPPGKPQGPPA (Residues 158-165) gi|539667|pir||D40750 PROLINE-RICH PROTEIN PRB1/2S (EA) - HUMAN (FRAGMENT)    Matching:GNKPQGPPPPGKPQGPPP (Residues 36-43)    GNRPQGPPPPGKPQGPPP (Residues 97-104) gi|1709793|sp|P10161|PRPM_HUMAN SALIVARY PROLINE- RICH PROTEIN PO (ALLELE M) [CONTAINS: PEPTIDE P-D]    Matching:GNKPQGPPPPGKPQGPPP (Residues 183-190) gi|1911490|gb|AAB50686.1| (S80905) CON1 = SALIVARY CONCANAVALIN-A BINDING PROTEIN {EXON 3} [HUMAN, PERIPHERAL BLOOD LEUKOCYTES, SUBJECT “R.S.”, PEP- TIDE PARTIAL MUTANT, 382 AA] [HOMO SAPIENS]    Matching:GNKPQGPPPPGKPQGPPP (Residues 57-64)    GNKPQGPPPPGKPQGPPP (Residues 118-125)    GNKPQGPPPPGKPQGPPP (Residues 180-187)    GNKSQGPPPPGKPQGPPP (Residues 242-249)    GNKPQGPPPPGKPQGPPP (Residues 304-311) gi|1911492|gb|AAB50687.1| (S80916) PAROTID “O” PROTEIN, PO = SALIVARY PROLINE-RICH PROTEIN {EXON 3} [HUMAN, PERIPHERAL BLOOD LEUKOCYTES, SUBJECT “J.J.”, PEPTIDE PARTIAL MUTANT, 234 AA] [HOMO SAPIENS]    Matching:GNKPQGPPPPGKPQGPPP (Residues 183-190) gi|2144910|pir||PIHUB6 SALIVARY PROLINE-RICH PROTEIN PRECURSOR PRB1 (LARGE ALLELE) - HUMAN    Matching:GNKPQGPPPPGKPQGPPP (Residues 70-77)    GNKPQGPPPPGKPQGPPP (Residues 131-138)    GNKPQGPPPPGKPQGPPP (Residues 192-199)    GNRPQGPPPPGKPQGPPP (Residues 253-260)    GNKPQGPPPPGKPQGPPA (Residues 314-321) gi|2144912|pir||PIHUSD SALIVARY PROLINE-RICH GLYCOPROTEIN PRECURSOR PRB4 (LARGE ALLELE) - HUMAN    Matching: GNKPQGPPPPGKPQGPPP (Residues 259-266) gi|86621|pir||JH0481 BASIC PROLINE-RICH PROTEIN MNP4 - CRAB-EATING MACAQUE    Matching:GKKPQGPPPPGKPQGPPK (Residues 70-77)    GKKPQGPPPPGKPQGPPQ (Residues 90-97)    GNKPQGPPPPGKPQGPPQ (Residues 110-117)    GNKPQGPPPPGKPQGPPQ (Residues 130-137)

[0032] TABLE 4 General structural formulas (sequences) of the repetitive octapeptide motif SALIVAL computationally defined in a large number of salivary proteins present in the nr Database of human sequences, by means of the SCAN software (3-5). a = polar amino acid (N, D, E, Q, P, R, S, K, T, G or A), b = non-polar amino acid (V, L, M, W, I, F, C, H or Y), as defined in the FIG. 1. Sequences are patented under the name SALIVAL as follows. No. Sequence 1 bPPPPGK 2 aPPPPGK 3  PPPPGKb 4  PPPPGKa 5 bPPPPGKb 6 bPPPPGKa 7 aPPPPGKb 8 aPPPPGKa 9 aaPPPGaa

[0033] TABLE 5 Specific variants of the formula (sequence) of the octapeptide motif SALIVAL defined in the large number of human salivary protein sequences of the nr Database by means of the software SCAN (3-5). Sequences are patented under the name SALIVAL as follows. No. Sequence Protein homology Residue 10 IPPPPGK Telomerase associated 865-871 protein 1 11 GEPPPGKP Bone morphogenetic protein 6 122-129 precursor

[0034] TABLE 6 Sequence (formula) of the repetitive octapeptide motif GGNaP of the salivary proteins is defined by shifting the formula GKPQβPPP (Table 3) in the sliding block window of the protein sequence for 14 amino acid residues left until the next residue Q, so that the structural formula GPPPPGKP is defined by means of the left and right residue Q, e.g. QGPPPPGKPQ. This procedure has been tested on a large set of salivary proteins in the nr Database of human protein sequences, by means of the software SCAN (3-5). The sequence is patented under the name SALIVAN. Database: nr Category: Eukaryota Sequence: GGNKP gi|105417|pir||D38355 BASIC PROLINE-RICH PEPTIDE IB-8A - HUMAN (FRAGMENTS)    Matching:GPPPQGGNKPQGPPPP (Residues 34-39)    GPPPQGGNKPQGPPPQ (Residues 80-85) gi|105420|pir||C38355 BASIC PROLINE-RICH PEPTIDE II-2 - HUMAN    Matching:GPSPQGGNKPQGPPPP (Residues 27-32)    GPPPQGGNKPQGPPPP (Residues 49-54) gi|107421|pir||A36298 PROLINE-RICH PROTEIN PRB3M (NULL) - HUMAN (FRAGMENT)    Matching:GPPPQGGNKPQGPPPS (Residues 198-203) gi|107422|pir||B36298 PROLINE-RICH PROTEIN PRB3S (CYS) - HUMAN (FRAGMENT)    Matching:GSPSQGGNKPQGPPPH (Residues 135-140) gi|4826938|ref|NP_005030.1| PROLINE-RICH PROTEIN BSTNI SUBFAMILY 1    Matching:GPSPQGGNKPQGPPPP (Residues 43-48)    GPPPQGGNKPQGPPPP (Residues 64-69)    GPPPQGGNKPQGPPPP (Residues 125-130)    GPPPQGGNKPQGPPPP (Residues 247-252) gi|130998|sp|P02812|PRP2_HUMAN SALIVARY PROLINE-RICH PROTEIN PRECURSOR (CLONE CP7) [CONTAINS: BASIC PEPTIDE P-F]    Matching:GPPPQGGNKPQGPPPP (Residues 43-48)    GPPPQGGNKPQGPPPP (Residues 167-172) gi|131006|sp|P04281|PRP5_HUMAN BASIC PROLINE-RICH PEPTIDE IB-1    Matching:GAPPQGGNKPQGPPSP (Residues 27-32)    GPPPQGGNKPQGPPPP (Residues 69-74) gi|190474|gb|AAA36502.1| (K02576) SALIVARY PROLINE-RICH PROTEIN 1 [HOMO SAPIENS]    Matching:GPPPQGGNKPQGPPPP (Residues 26-31)    GPPPQGGNKPQGPPPP (Residues 47-52)    GPPPQGGNKPQGPPPP (Residues 109-114) gi|190475|gb|AAA36503.1| (K02576) SALIVARY PROLINE-RICH PROTEIN 1 [HOMO SAPIENS]    Matching:GPPPTGGNKPQGPPPP (Residues 9-14) gi|190504|gb|AAA60186.1| (K03205) SALIVARY PROLINE-RICH PROTEIN PRECURSOR [HOMO SAPIENS]    Matching:GPSPQGGNKPQGPPPP (Residues 43-48)    GPPPQGGNKPQGPPPP (Residues 64-69)    GPPPQGGNKPQGPPPP (Residues 114-119) gi|190506|gb|AAA60187.1| (K03206) SALIVARY PROLINE-RICH PROTEIN PRECURSOR [HOMO SAPIENS]    Matching:GPSPQGGNKPQGPPPP (Residues 43-48)    GPPPQGGNKPQGPPPP (Residues 64-69) gi|351237|prf||0904270A PEPTIDE PF,BASID PRO RICH [HOMO SAPIENS]    Matching:GPPPQGGNKPQGPPPP (Residues 34-39) gi|386431|gb|AAB27288.1| (S62928) PRB1M PRECURSOR PROTEIN = BASIC PROLINE-RICH PROTEINS (PS, PMF, PMS, AND PE) PRECURSOR(PS 1 = BASIC PROLINE-RICH PROTEIN) {C-TERMINAL} [HUMAN, SALIVARY, PEPTIDE PARTIAL, 297 AA] [HOMO SAPIENS]    Matching:GPSPQGGNKPQGPPPP (Residues 9-14)    GPPPQGGNKPQGPPPP (Residues 30-35)    GPPPQGGNKPQGPPPP (Residues 91-96)    GPPPQGGNKPQGPPPP (Residues 213-218) gi|386433|gb|AAB27289.1| (S62941) PS 2 = BASIC PROLINE-RICH PROTEIN(PRB1L PRECURSOR PROTEIN = BASIC PROLINE-RICH PROTEINS (PS, PMF, PMS, AND PE) PRECURSOR) {C-TERMINAL} [HUMAN, SALIVARY, PEPTIDE PARTIAL, 358 AA] [HOMO SAPIENS]    Matching:GPSPQGGNKPQGPPPP (Residues 9-14)    GPPPQGGNKPQGPPPP (Residues 30-35)    GPPPQGGNKPQGPPPP (Residues 91-96)    GPPPQGGNKPQGPPPP (Residues 152-157)    GPPPQGGNKPQGPPPP (Residues 274-279) gi|433011|gb|AAB27290.1| (S62929) PRB1L PRECURSOR PROTEIN = BASIC PROLINE RICH PROTEINS (PS, PMF, PMS, AND PE) PRECURSOR {C-TERMINAL} [HUMAN, SALIVARY, PEPTIDE PARTIALMUTANT, 358 AA] [HOMO SAPIENS]    Matching:GPSPQGGNKPQGPPPP (Residues 9-14)    GPPPQGGNKPQGPPPP (Residues 30-35)    GPPPQGGNKPQGPPPP (Residues 274-279) gi|433012|gb|AAB27291.1| (S62936) PRB1S PRECURSOR PROTEIN = BASIC PROLINE-RICH PROTEINS (PS, PMF, PMS, AND PE) PRECURSOR {C-TERMINAL} [HUMAN, SALIVARY, PEPTIDE PARTIALMUTANT, 236 AA] [HOMO SAPIENS]    Matching:GPSPQGGNKPQGPPPP (Residues 9-14)    GPPPQGGNKPQGPPPP (Residues 30-35)    GPPPQGGNKPQGPPPP (Residues 152-157) gi|539667|pir||D40750 PROLINE-RICH PROTEIN PRB1/2S (EA) - HUMAN (FRAGMENT)    Matching:GPSPQGGNKPQGPPPP (Residues 9-14)    GPPPQGGNKPQGPPPP (Residues 30-35) gi|1911490|gb|AAB50686.1| (S80905) CON1 = SALIVARY CONCANAVALIN-A BINDING PROTEIN {EXON 3} [HUMAN, PERIPHERAL BLOOD LEUKOCYTES, SUBJECT “R.S.”, PEPTIDE PARTIAL MUTANT, 382 AA] [HOMO SAPIENS]    Matching:GAPPQGGNICPQGPPSP (Residues 9-14)    GPPPQGGNKPQGPPPP (Residues 51-56)    GPPPQGGNKPQGPPPP (Residues 112-117)    GPPPQGGNKPQGPPPP (Residues 174-179)    GPPPQGGNKPQGPPPP (Residues 298-303) gi|2144910|pir||PIHUB6 SALIVARY PROLINE-RICH PROTEIN PRECURSOR PRB1 (LARGE ALLELE) - HUMAN    Matching:GPSPQGGNKPQGPPPP (Residues 43-48)    GPPPQGGNKPQGPPPP (Residues 64-69)    GPPPQGGNKPQGPPPP (Residues 125-130)    GPPPQGGNKPQGPPPP (Residues 186-191)    GPPPQGGNKPQGPPPP (Residues 308-313) gi|17662112|ref|NP_955587.1| KIAA0427 GENE PRODUCT    Matching:QQRPPGGNXPQQHGDH (Residues 202-207) gi|86621|pir||JH0481 BASIC PROLINE-RICH PROTEIN MNP4 - CRAB-EATING MACAQUE    Matching:GPPQQGGNKPQGPPPP (Residues 104-109)    GPPQQGGNKPQGPPPP (Residues 124-129) gi|4582086|emb|CAB40256.1| (AJ241213) NADH DEHYDROGENASE SUBUNIT 1 [ECHINOCOCCUS GRANULOSUS]    Matching:GGXXXQSFADL (Residues 1-6) ********************************************************************* Database: nr Category: Eukaryota Sequence: GGNRP gi|4826938|ref|NP_005030.1| PROLINE-RICH PROTEIN BSTNI SUBFAMILY 1    Matching:GPPQQGGNRPQGPPPP (Residues 186-191) gi|131009|sp|P02811|PRPE_HUMAN BASIC PROLINE-RICH PEPTIDE P-E (IB-9)    Matching:GPPPQGGNRPQGPPPP (Residues 34-39) gi|386431|gb|AAB27288.1| (S62928) PRB1M PRECURSOR PROTEIN = BASIC PROLINE-RICH PROTEINS (PS, PMF, PMS, AND PE) PRECURSOR(PS 1 = BASIC PROLINE-RICH PROTEIN) {C-TERMINAL} [HUMAN, SALIVARY, PEPTIDE PARTIAL, 297 AA] [HOMO SAPIENS]    Matching:GPPQQGGNRPQGPPPP (Residues 152-157) gi|386433|gb|AAB27289.1| (S62941) PS 2 = BASIC PROLINE-RICH PROTEIN(PRB1L PRECURSOR PROTEIN = BASIC PROLINE-RICH PROTEINS (PS, PMF, PMS, AND PE) PRECURSOR) {C-TERMINAL} [HUMAN, SALIVARY, PEPTIDE PARTIAL, 358 AA] [HOMO SAPIENS]    Matching:GPPQQGGNRPQGPPPP (Residues 213-218) gi|433011|gb|AAB27290.1| (S62929) PRB1L PRECURSOR PROTEIN = BASIC PROLINE RICH PROTEINS (PS, PMF, PMS, AND PE) PRECURSOR {C-TERMINAL} [HUMAN, SALIVARY, PEPTIDE PARTIALMUTANT, 358 AA] [HOMO SAPIENS]    Matching:GPPPQGGNRPQGPPPP (Residues 91-96)    GPPQQGGNRPQGPPPP (Residues 213-218) gi|433012|gb|AAB27291.1| (S62936) PRB1S PRECURSOR PROTEIN = BASIC PROLINE-RICH PROTEINS (PS, PMF, PMS, AND PE) PRECURSOR {C-TERMINAL} [HUMAN, SALIVARY, PEPTIDE PARTIALMUTANT, 236 AA] [HOMO SAPIENS]    Matching:GPPPQGGNRPQGPPPP (Residues 91-96) gi|539667|pir||D40750 PROLINE-RICH PROTEIN PRB1/2S (EA) - HUMAN (FRAGMENT)    Matching:GPPPQGGNRPQGPPPP (Residues 91-96) gi|2144910|pir||PIHUB6 SALIVARY PROLINE-RICH PROTEIN PRECURSOR PRB1 (LARGE ALLELE) - HUMAN    Matching:GPPQQGGNRPQGPPPP (Residues 247-252) gi|86621|pir||JH0481 BASIC PROLINE-RICH PROTEIN MNP4 - CRAB-EATING MACAQUE    Matching:GQPQQGGNRPQGPPSP (Residues 43-48) gi|266347|sp|P29681|IMP2_DROME 20-HYDROXYECDYSONE PROTEIN PRECURSOR (20-HE)    Matching:IINFLGGNRPQNAPAA (Residues 375-380) gi|7300282|gb|AAF55444.1| (AE003718) CG14326 GENE PRODUCT [DROSOPHILA MELANOGASTER]    Matching:LGGLLGGNRPQPQPYP (Residues 77-82) gi|4582086|emb|CAB40256.1| (AJ241213) NADH DEHYDROGENASE SUBUNIT 1 [ECHINOCOCCUS GRANULOSUS]    Matching:GGXXXQSFADL (Residues 1-6)

[0035] TABLE 7 Decapeptide TAAPPTPSAT is defined by means of the software SCAN (3-5) as the repetitive part of the salivary mucin (Mucin 7 precursor) and patented under the name MUCOSEPT. Repetitive Residue in the salivary sequence Mucin 7 precursor TAAPPTPSAT 166-175, 189-198, 235-244, 281-290

[0036] TABLE 8 Repetitive septapeptide motif PROCOL α of the sequence ADDANVV was defined on the human proteins of the nr Database, by means of the software SCAN (3-5), in different type I collagen (α1 chain) structures. No. Sequence ADDANVV Residue 1 Type I collagen, α1 chain propeptide 40-46 2 α1 chain propeptide 794-800 3 Pro α1 (I) collagen 1215-1221 4 Collagen α1 (I) chain precursor 1218-1224 5 Collagen, type I, α1 1218-1224

[0037] TABLE 9 General and specific variants of the repetitive septapeptide motif formula PROCOL α, with sequence ADDANVV (Table 8). General Specific No. sequence sequence Protein homology Residue 1 aDAabb EDAGLV Telomeric repeat   62-67 binding factor 1 2 AaDAabb AKDAGLV Multidrug resis-  395-401, tance gene MRP1 1394-1400, 1444-1450, 1450-1456, 1453-1459, 1509-1515, 1525-1531 3 AaDAabb AKDAGLV ATP-binding 1525-1531 cassette, sub- family C 4 ADDAbabbb ADDAMTLVL Endoglin  351-359 precursor 5 ADDAbabbb ADDAMTLVL Endoglin pre-  364-372 cursor (CD105 antigen) 6 bbaaAAabb VHPRAAGLV Bone morpho-  339-347 genetic protein 6 precursor

[0038]FIG. 1. Division of 20 amino acids into the two groups (polar and non-polar ones), was performed by means of the statistical clustering procedure of “partitioning around medoids”, on the standard hydropathy scale of Rose et al. (10). We used parameter f of the scale, that measures “the mean frictional area loss of the amino acid residue within the protein molecule”. The analysis was done by means of the software package S-Plus, with standard pam method (11). The values of Silhouette plot presented in the figure confirm statistically significant clustering of the 20 amino acid set into the two groups of the amino acids, a and b (11). Group a of polar amino acids consists of the N, D, E, Q, P, R, S, K, T, G and A while group b of non-polar amino acids consists of the amino acids V, L, M, W, I, F, C, H and Y.

1 27 1 8 PRT Artificial Sequence Artificial amino acid sequence SALIVAR which is common and repetitive building block of a large number of salivary proline rich proteins. 1 Gly Lys Pro Gln Gly Pro Pro Pro 1 5 2 8 PRT Artificial Sequence Artificial amino acid sequence SALIVAR which is common and repetitive building block of a large number of salivary proline rich proteins. Glx defines amino acids Gln and Glu. Xaa defines amino acids Gly, Arg and Glu. 2 Gly Lys Pro Glx Xaa Pro Pro Pro 1 5 3 8 PRT Artificial Sequence Artificial amino acid sequence SALIVAL which is common and repetitive building block of a large number of salivary proline rich proteins. 3 Gly Pro Pro Pro Pro Gly Lys Pro 1 5 4 7 PRT Artificial Sequence Artificial amino acid sequence SALIVAL which is common and repetitive building block of a large number of salivary proline rich proteins. In this artificial sequence variant Xaa defines amino acids Val, Leu, Met, Trp, Ile, Phe, Cys, His and Tyr. 4 Xaa Pro Pro Pro Pro Gly Lys 1 5 5 7 PRT Artificial Sequence Artificial amino acid sequence SALIVAL which is common and repetitive building block of a large number of salivary proline rich proteins. In this artificial sequence variant Xaa defines amino acids Asn, Asp, Glu, Gln, Pro, Arg, Ser, Lys, Thr, Gly and Ala. 5 Xaa Pro Pro Pro Pro Gly Lys 1 5 6 7 PRT Artificial Sequence Artificial amino acid sequence SALIVAL which is common and repetitive building block of a large number of salivary proline rich proteins. In this artificial sequence variant Xaa defines amino acids Val, Leu, Met, Trp, Ile, Phe, Cys, His and Tyr. 6 Pro Pro Pro Pro Gly Lys Xaa 1 5 7 7 PRT Artificial Sequence Artificial amino acid sequence SALIVAL which is common and repetitive building block of a large number of salivary proline rich proteins. In this artificial sequence variant Xaa defines amino acids Asn, Asp, Glu, Gln, Pro, Arg, Ser, Lys, Thr, Gly and Ala. 7 Pro Pro Pro Pro Gly Lys Xaa 1 5 8 8 PRT Artificial Sequence Artificial amino acid sequence SALIVAL which is common and repetitive building block of a large number of salivary proline rich proteins. In this artificial sequence variant Xaa defines amino acids Val, Leu, Met, Trp, Ile, Phe, Cys, His and Tyr. 8 Xaa Pro Pro Pro Pro Gly Lys Xaa 1 5 9 8 PRT Artificial Sequence Artificial amino acid sequence SALIVAL which is common and repetitive building block of a large number of salivary proline rich proteins. In this artificial sequence variant the first residue (No. 1) Xaa defines amino acids Val, Leu, Met, Trp, Ile, Phe, Cys, His and Tyr. The last residue (No. 8) Xaa defines amino acids Asn, Asp, Glu, Gln, Pro, Arg, Ser, Lys, Thr, Gly and Ala. 9 Xaa Pro Pro Pro Pro Gly Lys Xaa 1 5 10 8 PRT Artificial Sequence Artificial amino acid sequence SALIVAL which is common and repetitive building block of a large number of salivary proline rich proteins. In this artificial sequence variant the first residue (No. 1) Xaa defines amino acids Asn, Asp, Glu, Gln, Pro, Arg, Ser, Lys, Thr, Gly and Ala. The last residue (No. 8) Xaa defines amino acids Val, Leu, Met, Trp, Ile, Phe, Cys, His and Tyr. 10 Xaa Pro Pro Pro Pro Gly Lys Xaa 1 5 11 8 PRT Artificial Sequence Artificial amino acid sequence SALIVAL which is common and repetitive building block of a large number of salivary proline rich proteins. In this artificial sequence variant Xaa defines amino acids Asn, Asp, Glu, Gln, Pro, Arg, Ser, Lys, Thr, Gly and Ala. 11 Xaa Pro Pro Pro Pro Gly Lys Xaa 1 5 12 8 PRT Artificial Sequence Artificial amino acid sequence SALIVAL which is common and repetitive building block of a large number of salivary proline rich proteins. In this artificial sequence variant Xaa defines amino acids Asn, Asp, Glu, Gln, Pro, Arg, Ser, Lys, Thr, Gly and Ala. 12 Xaa Xaa Pro Pro Pro Gly Xaa Xaa 1 5 13 7 PRT Artificial Sequence Artificial amino acid sequence SALIVAL. This specific variant has sequence homology to the short region (residues 865-871) of the Telomerase associated protein 1. 13 Ile Pro Pro Pro Pro Gly Lys 1 5 14 8 PRT Artificial Sequence Artificial amino acid sequence SALIVAL. This specific variant has sequence homology to the short region (residues 122-129) of the Bone morphogenetic protein 6 precursor. 14 Gly Glu Pro Pro Pro Gly Lys Pro 1 5 15 5 PRT Artificial Sequence Artificial amino acid sequence SALIVAN which is common and repetitive building block of a large number of salivary proline rich proteins. In this artificial sequence variant Xaa defines amino acids Asn, Asp, Glu, Gln, Pro, Arg, Ser, Lys, Thr, Gly and Ala. 15 Gly Gly Asn Xaa Pro 1 5 16 5 PRT Artificial Sequence Artificial amino acid sequence SALIVAN which is common and repetitive building block of a large number of salivary proline rich proteins. 16 Gly Gly Asn Lys Pro 1 5 17 5 PRT Artificial Sequence Artificial amino acid sequence SALIVAN which is common and repetitive building block of a large number of salivary proline rich proteins. 17 Gly Gly Asn Arg Pro 1 5 18 10 PRT Artificial Sequence Artificial amino acid sequence MUCOSEPT which is repetitive part of the salivary mucin (Mucin 7 precursor). 18 Thr Ala Ala Pro Pro Thr Pro Ser Ala Thr 1 5 10 19 7 PRT Artificial Sequence Artificial amino acid sequence PROCOL alpha which is repetitive part of human type I collagen (alpha 1 chain) structures. 19 Ala Asp Asp Ala Asn Val Val 1 5 20 6 PRT Artificial Sequence Artificial amino acid sequence PROCOL alpha. In this artificial sequence variant the first and fourth residue Xaa (No. 1 & 4 ) define amino acids Asn, Asp, Glu, Gln, Pro, Arg, Ser, Lys, Thr, Gly and Ala. The fifth and sixth sequence residue Xaa (No. 5 & 6) define amino acids Val, Leu, Met, Trp, Ile, Phe, Cys, His and Tyr. 20 Xaa Asp Ala Xaa Xaa Xaa 1 5 21 6 PRT Artificial Sequence Artificial amino acid sequence PROCOL alpha. This specific variant has sequence homology to the short region (residues 62-67) of the Telomeric repeat binding factor 1. 21 Glu Asp Ala Gly Leu Val 1 5 22 7 PRT Artificial Sequence Artificial amino acid sequence PROCOL alpha. In this artificial sequence variant the second and fifth residue Xaa (No. 2 & 5 ) define amino acids Asn, Asp, Glu, Gln, Pro, Arg, Ser, Lys, Thr, Gly and Ala. The sixth and seventh sequence residue Xaa (No. 6 & 7) define amino acids Val, Leu, Met, Trp, Ile, Phe, Cys, His and Tyr. 22 Ala Xaa Asp Ala Xaa Xaa Xaa 1 5 23 7 PRT Artificial Sequence Artificial amino acid sequence PROCOL alpha. This specific variant has sequence homology to the short regions of the Multidrug resistance gene MRP1 and ATP-binding cassette, sub-family C. 23 Ala Lys Asp Ala Gly Leu Val 1 5 24 9 PRT Artificial Sequence Artificial amino acid sequence PROCOL alpha. In this artificial sequence variant the fifth, seventh, eighth and ninth residue Xaa (No. 5, 7, 8 & 9 ) define amino acids Val, Leu, Met, Trp, Ile, Phe, Cys, His and Tyr. The sixth sequence residue Xaa (No. 6) defines amino acids Asn, Asp, Glu, Gln, Pro, Arg, Ser, Lys, Thr, Gly and Ala. 24 Ala Asp Asp Ala Xaa Xaa Xaa Xaa Xaa 1 5 25 9 PRT Artificial Sequence Artificial amino acid sequence PROCOL alpha. This specific variant has sequence homology to the short regions of the Endoglin precursor, CD105 antigen. 25 Ala Asp Asp Ala Met Thr Leu Val Leu 1 5 26 9 PRT Artificial Sequence Artificial amino acid sequence PROCOL alpha. In this artificial sequence variant the first, second, eighth and ninth residue Xaa (No. 1, 2, 8 & 9 ) define amino acids Val, Leu, Met, Trp, Ile, Phe, Cys, His and Tyr. The third, fourth and seventh sequence residue Xaa (No. 3, 4 & 7) define amino acids Asn, Asp, Glu, Gln, Pro, Arg, Ser, Lys, Thr, Gly and Ala. 26 Xaa Xaa Xaa Xaa Ala Ala Xaa Xaa Xaa 1 5 27 9 PRT Artificial Sequence Artificial amino acid sequence PROCOL alpha. This specific variant has sequence homology to the short region of the Bone morphogenetic protein 6 precursor. 27 Val His Pro Arg Ala Ala Gly Leu Val 1 5 

1. Repetitive sequences of bioactive peptides from the groups of salivary proline rich proteins characterised with the structural formulas SALIVAR (Tables 1 and 2) for the synthesis of drugs that are taken as systemic and topical preparations.
 2. Repetitive sequences of bioactive peptides from the groups of salivary proline rich proteins, characterised with the structural formulas SALIVAL (Tables 3, 4 and 5), for the synthesis of drugs that are taken as systemic and topical preparations.
 3. Repetitive sequences of bioactive peptides from the groups of salivary proline rich proteins characterised with the structural formulas SALIVAN (Table 6), for the synthesis of drugs that are taken as systemic and topical preparations.
 4. Repetitive sequences of bioactive peptides from the groups of mucin proteins characterised with the structural formulas MUKOSEPT (Table 7), for the synthesis of drugs that are taken as systemic and topical preparations.
 5. Repetitive sequences of bioactive peptides from the groups of collagen proteins characterised with the structural formulas PROCOL α (Tables 8 and 9), for the synthesis of drugs that are taken as systemic and topical preparations. 